Christmas tree decoration ball



FIG. 1 is a perspective view taken from the top, front and left side of the Christmas tree decoration ball showing my design;

FIG. 2 is a front elevation of the Christmas tree decoration ball of FIG. 1;

FIG. 3 is a left side elevation of the Christmas tree decoration ball of FIG. 1;

FIG. 4 is a top plan view of the Christmas tree decoration ball of FIG. 1; and,

FIG. 5 is a bottom plan view of the Christmas tree decoration ball of FIG. 1. 

The ornamental design for a Christmas tree decoration ball, as shown and described. 